Anieche, Dwight. 1999. «Ultrastructure of the Optic Gland of the Squid <i>Sepiotheutis sepioidea</i≫ (Cephalopoda: Loliginidae)». Revista De Biología Tropical 47 (4):831–842. https://doi.org/10.15517/rbt.v47i4.19260.